CN218226120U - Clamp for polishing hollow support frame - Google Patents
Clamp for polishing hollow support frame Download PDFInfo
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- CN218226120U CN218226120U CN202222386307.2U CN202222386307U CN218226120U CN 218226120 U CN218226120 U CN 218226120U CN 202222386307 U CN202222386307 U CN 202222386307U CN 218226120 U CN218226120 U CN 218226120U
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- clamping plate
- support frame
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Abstract
The utility model provides a cavity support frame is polished and is used anchor clamps, this anchor clamps include: a supporting base; the fixed clamping plate is connected with the supporting seat; the movable clamping plate is arranged on one side of the fixed clamping plate back to the supporting seat; the hinge seat is arranged between the movable clamping plate and the fixed clamping plate, the first end of the hinge seat is connected with the fixed clamping plate, and the second end of the hinge seat is hinged with the hinge fulcrum of the movable clamping plate; the power output end of the telescopic driving piece is hinged with the movable connecting end of the movable clamping plate. The utility model discloses a drive power is applyed to telescopic driving piece to make movable clamp plate swing as the fulcrum with movable clamp plate's articulated fulcrum, and then make movable clamp plate's activity exposed core in the cavity of cavity support frame, and cooperate solid fixed splint, make solid fixed splint and movable clamp plate's activity exposed core to the cavity support frame and carry out the internal stay fixedly, the centre gripping of realizing the cavity support frame is fixed.
Description
Technical Field
The utility model relates to a technical field of polish particularly, relates to a cavity support frame is polished and is used anchor clamps.
Background
The back support frame is used as a key part of a high-end chair. The processing technology of the product plays an important role in the appearance quality of the product. Therefore, the grinding process is one of the indispensable production processes.
In modern enterprises, the grinding work of the back support frame is generally carried out manually, and the grinding work is carried out on the back support frame by using tools such as an abrasive belt, a polishing wheel and the like for a grinding machine. The manual grinding effect depends on the handcraft and experience of workers, so that the deburring quality is unstable, and the effect uniformity is poor. Meanwhile, the labor intensity of workers is high, and the production efficiency is low.
With the continuous development of economy, the labor cost is gradually increased, and the cost of enterprises is continuously increased. The introduction of robots is one of the ways to solve this series of problems.
Because the back support frame is longer, the grinding force is very large, and the clamp is easy to clamp insecurely.
Disclosure of Invention
In view of this, the utility model provides a cavity support frame anchor clamps for polishing aims at solving the insecure problem of current back of the body support frame anchor clamps centre gripping.
The utility model provides a cavity support frame is polished and is used anchor clamps, this anchor clamps include: a supporting base; the end part of the fixed clamping plate is used for extending into the hollow cavity of the hollow support frame so as to be tightly attached to the inner wall of the hollow support frame; the movable clamping plate is arranged on one side, back to the supporting seat, of the fixed clamping plate; the hinge seat is arranged between the movable clamping plate and the fixed clamping plate, the first end of the hinge seat is connected with the fixed clamping plate, and the second end of the hinge seat is hinged with the hinge fulcrum of the movable clamping plate; the power output end of the telescopic driving piece is hinged with the movable connecting end of the movable clamping plate and used for driving the movable clamping plate to swing by taking the hinged fulcrum of the movable clamping plate as a fulcrum, so that the movable clamping end of the movable clamping plate moves in the hollow cavity of the hollow support frame until the movable clamping end is tightly attached to the inner wall of the hollow support frame and is matched with the fixed clamping plate to clamp the hollow support frame; the hinge pivot of the movable clamping plate is positioned between the movable connecting end of the movable clamping plate and the movable clamping end of the movable clamping plate.
Furthermore, according to the polishing clamp for the hollow support frame, the distance between the movable connecting end of the movable clamping plate and the hinge fulcrum of the movable clamping plate is larger than the distance between the movable clamping end of the movable clamping plate and the hinge fulcrum of the movable clamping plate.
Furthermore, according to the clamp for polishing the hollow support frame, the power output end of the telescopic driving piece is provided with the driving connecting shaft, and the driving connecting shaft is hinged with the movable connecting end of the movable clamping plate through the first hinge pin.
Furthermore, according to the clamp for polishing the hollow support frame, the driving connecting shaft is in threaded connection with the power output end of the telescopic driving piece, and a locknut is arranged on the driving connecting shaft or the power output end of the telescopic driving piece.
Further, according to the clamp for polishing the hollow support frame, the telescopic driving piece is arranged on the fixed clamping plate, the telescopic driving piece and the supporting seat are located on the same side of the fixed clamping plate, and the telescopic executing portion of the telescopic driving piece is slidably arranged in the fixed clamping plate in a penetrating mode along the thickness direction of the fixed clamping plate.
Further, above-mentioned cavity support frame is polished and is used anchor clamps, the supporting seat includes: a support plate; the two side plates are positioned on the same side of the supporting plate, and are arranged on the supporting plate at intervals.
Furthermore, above-mentioned hollow support frame is polished and is used anchor clamps, be equipped with the ring flange on the supporting seat for connect robot's manipulator.
Further, according to the clamp for polishing the hollow support frame, the second end of the hinge seat is hinged to the hinge fulcrum of the movable clamping plate through the second hinge pin.
Further, the hollow support frame polishing clamp is characterized in that the fixing clamp plate is of a Z-shaped structure.
Further, the clamp for polishing the hollow support frame is characterized in that the telescopic driving piece is a cylinder or an oil cylinder.
The utility model provides a cavity support frame is polished and is used anchor clamps, exert drive power to the activity splint through telescopic driving piece on, so that the activity splint swing as the fulcrum with the articulated fulcrum of activity splint, and then make the activity exposed core of activity splint move about in the cavity of cavity support frame, and cooperate solid fixed splint, make the activity exposed core of solid fixed splint and activity splint to carry out the internal stay fixedly to the cavity support frame, the activity exposed core of solid fixed splint and activity splint is all hugged closely on the inner wall of cavity support frame promptly, the centre gripping of realizing the cavity support frame is fixed. This anchor clamps utilizes lever principle, through telescopic driving piece power take off end's flexible, can be so that movable clamp plate swings, realizes the centre gripping and can ensure that movable clamp plate exerts great clamp force to cavity support frame, ensures the fastness of centre gripping, solves the insecure problem of current back of the body support frame anchor clamps centre gripping.
Furthermore, the distance between the movable connecting end of the movable clamping plate and the hinge point of the movable clamping plate is larger than the distance between the movable clamping end of the movable clamping plate and the hinge point of the movable clamping plate, and the clamping force generated by the movable clamping plate is larger than the driving force applied to the movable clamping plate by the telescopic driving piece by utilizing the lever boosting principle, so that the clamping firmness can be further improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a hollow support frame polishing clamp provided by an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, it is the structural schematic diagram of the hollow support frame clamp for polishing provided by the embodiment of the present invention. As shown, the clamp includes: the device comprises a supporting seat 1, a fixed clamping plate 2, a movable clamping plate 3, a hinge seat 4 and a telescopic driving piece 5; wherein the content of the first and second substances,
the fixed splint 2 is connected with the support base 1, and the end part (the right end shown in figure 1) of the fixed splint 2 is used for extending into the hollow cavity of the hollow support frame 6 so as to be tightly attached to the inner wall of the hollow support frame 6. In particular, the support seat 1 plays a supporting role. The fixed connection end (the left end shown in figure 1) of the fixed splint 2 can be fixedly connected to the supporting seat 1 through connecting pieces such as bolts or screws, and the fixed clamping end (the right end shown in figure 1) of the fixed splint 2 can be used as a clamping part which is matched with the inner wall of the hollow supporting frame 6 so as to be tightly attached to the inner wall of the hollow supporting frame 6 to realize clamping. In this embodiment, the supporting seat 1 can be provided with a flange 7 for connecting a manipulator of a robot, so that the clamp can be used as an end effector of the robot to clamp, and the clamp can be used more flexibly and efficiently. The hollow support frame 6 is a support frame with a hollow interior, such as a support rod structure, and can be a back support frame to clamp the back support frame through the clamp to polish the back support frame.
The movable clamp plate 3 is arranged on the side (lower side as viewed in fig. 1) of the fixed clamp plate 2 facing away from the support base 1. Specifically, movable clamp plate 3 sets up with solid fixed splint 2 relatively to, movable clamp plate 3 can move about in solid fixed splint 2's below, so that the tip (the right-hand member shown in fig. 1) of movable clamp plate 3 can be in the cavity of cavity support frame 6 activity and hug closely on the inner wall of cavity support frame 6, cooperates the fixed tip of solid fixed splint 2, realizes the centre gripping fixedly with the mode of internal stay in the inside of cavity support frame 6.
The hinge seat 4 is disposed between the movable clamp plate 3 and the fixed clamp plate 2, and a first end (top end shown in fig. 1) of the hinge seat 4 is connected to the fixed clamp plate 2, and a second end (lower end shown in fig. 1) is hinged to a hinge pivot of the movable clamp plate 3. Specifically, the number of the hinge bases 4 may be two, and the two hinge bases are respectively disposed on two sides of the fixed splint 2 and the movable splint 3, and the first ends of the two hinge bases 4 may be both connected to the supporting point of the fixed splint 2, and the connection manner between the two hinge bases may be fixed by using a connecting member such as a screw, or may be another connection manner, which is not limited in this embodiment. The second ends of the two hinge seats 4 can be hinged with the hinge pivot of the movable clamping plate 3, that is, the movable clamping plate 3 can rotate or swing relative to the hinge seats 4 and is connected with the second ends of the two hinge seats 4, so that the movable clamping end (the right end shown in fig. 1) of the movable clamping plate 3 can move back to the fixed clamping plate 2 to cling to the inner wall of the hollow supporting frame 6 to realize clamping and can move towards the fixed clamping plate 2 to realize loosening of the hollow supporting frame 6.
The power output end of the telescopic driving piece 5 is hinged with a movable connecting end (the left end shown in figure 1) of the movable clamping plate 3 and is used for driving the movable clamping plate 3 to swing by taking the hinged fulcrum of the movable clamping plate 3 as a fulcrum, so that the movable clamping end of the movable clamping plate 3 moves in the hollow cavity of the hollow support frame 6 until the movable clamping end is tightly attached to the inner wall of the hollow support frame 6 and is matched with the fixed clamping plate 2 to clamp the hollow support frame 6; wherein, the hinged pivot of the movable clamping plate 3 is positioned between the movable connecting end of the movable clamping plate 3 and the movable clamping end of the movable clamping plate 3. Specifically, activity splint 3 uses activity splint 3's articulated fulcrum to swing as the fulcrum under telescopic driving piece 5's driving action, make activity splint 3's activity exposed core 2 activity dorsad, so that the interval between the activity splint 3's activity exposed core and the fixed clamping end of solid fixed splint 2 increases, and then realize the internal stay centre gripping of cavity support frame 6, the fastness of anchor clamps has been ensured, still can lean on to the activity of solid fixed splint 2, so that the interval between the activity exposed core of activity splint 3 and the fixed clamping end of solid fixed splint 2 reduces, and then realize loosening of cavity support frame 6.
In this embodiment, the distance between the movable connecting end of the movable clamping plate 3 and the hinge point of the movable clamping plate 3 is greater than the distance between the movable clamping end of the movable clamping plate 3 and the hinge point of the movable clamping plate 3, then the movable connecting end of the movable clamping plate 3 and the hinge point of the movable clamping plate 3 are taken as the driving force arm, the distance between the movable clamping end of the movable clamping plate 3 and the hinge point of the movable clamping plate 3 is taken as the clamping force arm, namely, the driving force arm of the movable clamping plate 3 is greater than the clamping force arm of the movable clamping plate 3, the lever principle is utilized, the clamping force generated by the movable clamping plate 3 can be greater than the driving force applied to the movable clamping plate 3 by the telescopic driving part 5, and the clamping firmness can be further improved. Further preferably, the distance between the movable connecting end of the movable clamping plate 3 and the hinged fulcrum of the movable clamping plate 3 is greater than the preset multiple of the distance between the movable clamping end of the movable clamping plate 3 and the hinged fulcrum of the movable clamping plate 3, wherein the preset multiple is greater than or equal to two times, so that the clamping force of the movable clamping plate 3 is further improved, and the clamping firmness of the clamp is further improved. Wherein, the strong point of solid fixed splint 2 is located between the fixed link end of solid fixed splint 2 and the fixed centre gripping end of solid fixed splint, the interval between the fixed link end of solid fixed splint 2 and the strong point of solid fixed splint 2, the interval between the fixed centre gripping end of solid fixed splint and the strong point of solid fixed splint 2, the relation between the two can with the swing joint end of activity splint 3 and the interval between the articulated fulcrum of activity splint 3, the interval looks adaptation between the activity centre gripping end of activity splint 3 and the articulated fulcrum of activity splint 3. Meanwhile, clamping can be realized without a large cylinder, so that the clamp is compact in structure.
With continued reference to fig. 1, the support seat 1 comprises: a support plate 11 and two side plates 12; wherein, the two side plates 12 are located on the same side (lower side as shown in fig. 1) of the supporting plate 11, and the two side plates 12 are spaced apart from each other on the supporting plate 11 to form a U-shaped structure. Specifically, the top of two curb plates 12 can be connected with backup pad 11, and bottom accessible screw is connected with solid fixed splint 2, encloses between backup pad 11, two curb plates 12 and the solid fixed splint 2 and establishes the hollow column space that forms. The supporting plate 11 can be connected with the flange 7 through screws to realize the connection between the supporting seat 1 and the flange 7.
With continued reference to fig. 1, the telescopic driving member 5 is disposed on the fixing clip 2, and the telescopic driving member 5 and the supporting seat 1 are located on the same side (the upper side as shown in fig. 1) of the fixing clip 2, and the telescopic executing portion of the telescopic driving member 5 slidably penetrates through the fixing clip 2 along the thickness direction of the fixing clip 2. Specifically, the telescopic driving member 5 may be a cylinder or an oil cylinder, which may be disposed in the cylindrical space and installed on the top wall of the fixing clip 2 to realize the support of the telescopic driving member 5 through the fixing clip 2. In order to drive the movable clamping plate 3 on the lower side of the fixed clamping plate 2, a telescopic executing part of the telescopic driving part 5 penetrates through the fixed clamping plate 2 along the thickness direction (vertical direction shown in fig. 1) of the fixed clamping plate 2, and the telescopic executing part can slide relative to the fixed clamping plate 2, for example, a piston rod of an air cylinder or an oil cylinder penetrates through the fixed clamping plate 2 along the vertical direction in a sliding manner, so that the movable clamping plate 3 is connected to the bottom end of the piston rod to drive the movable clamping plate 3.
With continued reference to fig. 1, the power take-off of the telescopic drive 5 is provided with a drive connection shaft 51, which is hinged to the movable connection end of the movable jaw 3 by means of a first hinge pin 8. Specifically, the power output end of the telescopic driving member 5 is a piston rod of an air cylinder or an oil cylinder, the piston rod is connected with a driving connecting shaft 51, and the driving connecting shaft 51 and the piston rod can be connected through threads so as to be convenient to disassemble, assemble and replace; in order to avoid loosening between the drive connection shaft 51 and the power take-off of the telescopic drive member 5, it is preferred that the power take-off of the telescopic drive member 5 or the drive connection shaft 51 is provided with a locknut 52; for example, the driving connecting shaft 51 is provided at its tip with an external thread portion, the power output end of the telescopic driving member 5 is provided with a connecting hole, the inner wall of the connecting hole is provided with an internal thread forming an internal thread portion which is fitted with the external thread portion, and the external thread portion is provided with a locknut 52. The swing joint end department of activity splint 3 can be equipped with first hinge pin 8 to, first hinge pin 8 rotationally wears to locate activity splint 3, and simultaneously, first hinge pin 8 still can wear to locate the bottom of drive connecting axle 51, and under the power take off end drive effect of telescopic driving piece 5, drive activity splint 3 through drive connecting axle 51 and swing. Wherein, in order to realize the swing of the movable clamping plate 3 and avoid the interference, preferably, the movable connecting end of the movable clamping plate 3 can be provided with a kidney-shaped hole, and the first hinge pin 8 can be rotatably arranged through the kidney-shaped hole arranged on the movable clamping plate 3, so as to realize the rotation and the sliding of the movable clamping plate 3 relative to the first hinge pin 8.
In this embodiment, the second end of the hinge base 4 is hinged to the hinge fulcrum of the movable clamp plate 3 by the second hinge pin 9. Specifically, a second hinge pin 9 may be disposed at the hinge fulcrum of the movable clamp plate 3, the second hinge pin 9 may be rotatably inserted into the movable clamp plate 3, and the second hinge pin 9 is inserted into the hinge seat 4, so as to realize the hinge connection between the hinge seat 4 and the movable clamp plate 3, and enable the movable clamp plate 3 to swing relative to the hinge seat 4.
Continuing to refer to fig. 1, solid fixed splint 2 is Z style of calligraphy structure to, when solid fixed splint 2 is parallel with movable splint 3 is whole, the interval between the fixed link end of solid fixed splint 2 and the swing joint end of movable splint 3 is greater than the interval between the fixed holder end of solid fixed splint 2 and the activity holder end of movable splint 3, and the power take off's of multiplicable telescopic driving piece 5 activity stroke further improves movable splint 3 and carries out the clamp force of centre gripping, further improves the centre gripping fastness.
This cavity support frame is polished and is used the theory of operation of anchor clamps: the telescopic driving piece 5 such as an air cylinder provides power, the driving connecting shaft 51 is pushed to synchronously move up and down through the up-and-down reciprocating action of the air cylinder, the driving connecting shaft 51 drives the movable clamping plate 3 to move through the first hinge pin 8, so that the movable clamping plate 3 swings with the second hinge pin 9 as a fulcrum, and a workpiece such as a back support frame can be clamped and loosened. Because the driving force arm of the cylinder is several times of the clamping force arm, the clamping force generated by the movable clamping plate 3 is several times of the cylinder force, thereby clamping the workpiece tightly.
To sum up, the cavity support frame that this embodiment provided anchor clamps for polishing, exert drive power to movable clamp plate 3 through telescopic driving piece 5 on, so that movable clamp plate 3 swings as the fulcrum with movable clamp plate 3's articulated fulcrum, and then make movable clamp plate 3's activity exposed core move about in the cavity of cavity support frame 6, and cooperate solid fixed splint 2, make solid fixed splint 2 and movable clamp plate 3's activity exposed core carry out the internal stay fixedly to cavity support frame 6, gu fixed splint 2 and movable clamp plate 3's activity exposed core all hug closely on the inner wall of cavity support frame 6 promptly, realize that the centre gripping of cavity support frame 6 is fixed. This anchor clamps utilizes lever principle, through the flexible of 5 power take off ends of telescopic driving piece, can make movable splint 3 swing, realizes the centre gripping and can ensure that movable splint 3 exerts great clamp force to cavity support frame 6, ensures the fastness of centre gripping, solves the insecure problem of current back of the body support frame anchor clamps centre gripping.
Furthermore, the distance between the movable connecting end of the movable clamping plate 3 and the hinge point of the movable clamping plate 3 is larger than the distance between the movable clamping end of the movable clamping plate 3 and the hinge point of the movable clamping plate 3, and the clamping force generated by the movable clamping plate 3 is larger than the driving force applied to the movable clamping plate 3 by the telescopic driving piece 5 by utilizing the lever boosting principle, so that the clamping firmness can be further improved.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a cavity support frame is polished and is used anchor clamps which characterized in that includes:
a supporting seat;
the end part of the fixed clamping plate is used for extending into the hollow cavity of the hollow support frame so as to be tightly attached to the inner wall of the hollow support frame;
the movable clamping plate is arranged on one side, back to the supporting seat, of the fixed clamping plate;
the hinge seat is arranged between the movable clamping plate and the fixed clamping plate, the first end of the hinge seat is connected with the fixed clamping plate, and the second end of the hinge seat is hinged with the hinge fulcrum of the movable clamping plate;
the power output end of the telescopic driving piece is hinged with the movable connecting end of the movable clamping plate and used for driving the movable clamping plate to swing by taking the hinged fulcrum of the movable clamping plate as a fulcrum, so that the movable clamping end of the movable clamping plate moves in the hollow cavity of the hollow support frame until the movable clamping end is tightly attached to the inner wall of the hollow support frame and is matched with the fixed clamping plate to clamp the hollow support frame; the hinge pivot of the movable clamping plate is positioned between the movable connecting end of the movable clamping plate and the movable clamping end of the movable clamping plate.
2. The hollow support frame grinding jig according to claim 1,
the distance between the movable connecting end of the movable clamping plate and the hinge fulcrum of the movable clamping plate is larger than the distance between the movable clamping end of the movable clamping plate and the hinge fulcrum of the movable clamping plate.
3. The hollow support frame sanding jig of claim 1 or 2,
the power output end of the telescopic driving piece is provided with a driving connecting shaft which is hinged with the movable connecting end of the movable clamping plate through a first hinge pin.
4. The hollow support frame grinding jig of claim 3,
the driving connecting shaft is in threaded connection with the power output end of the telescopic driving piece, and a locknut is arranged on the driving connecting shaft or the power output end of the telescopic driving piece.
5. The hollow support frame sanding jig of claim 1 or 2,
the telescopic driving piece is arranged on the fixed clamping plate, the telescopic driving piece and the supporting seat are positioned on the same side of the fixed clamping plate, and the telescopic execution part of the telescopic driving piece is arranged on the fixed clamping plate in a penetrating mode along the thickness direction of the fixed clamping plate.
6. The clamp for polishing a hollow support frame according to claim 1 or 2, wherein the support base comprises:
a support plate;
the two side plates are positioned on the same side of the supporting plate, and are arranged on the supporting plate at intervals.
7. The hollow support frame sanding jig of claim 1 or 2,
and the supporting seat is provided with a flange plate for connecting a manipulator of the robot.
8. The clamp for grinding the hollow support frame as claimed in claim 1 or 2, wherein the second end of the hinge seat is hinged to the hinge pivot of the movable clamping plate through a second hinge pin.
9. The clamp for polishing the hollow support frame as claimed in claim 1 or 2, wherein the fixing splint has a zigzag structure.
10. The clamp for polishing the hollow support frame according to claim 1 or 2, wherein the telescopic driving member is a cylinder or an oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222386307.2U CN218226120U (en) | 2022-09-08 | 2022-09-08 | Clamp for polishing hollow support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222386307.2U CN218226120U (en) | 2022-09-08 | 2022-09-08 | Clamp for polishing hollow support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218226120U true CN218226120U (en) | 2023-01-06 |
Family
ID=84663364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222386307.2U Active CN218226120U (en) | 2022-09-08 | 2022-09-08 | Clamp for polishing hollow support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218226120U (en) |
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2022
- 2022-09-08 CN CN202222386307.2U patent/CN218226120U/en active Active
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